Home / 347,639,562.74-521,378,446.29-129,392,687.27

Finding the Fourth Proportional to 347,639,562.74, 521,378,446.29 and 129,392,687.27

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Solution

The fourth proportional to 347,639,562.74, 521,378,446.29 and 129,392,687.27 is: 194,058,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,639,562.74 : 521,378,446.29 = 129,392,687.27 : x
  2. Step 2: Convert to fraction form
    347,639,562.74/521,378,446.29 = 129,392,687.27/x
  3. Step 3: Cross multiply
    347,639,562.74x = 521,378,446.29 × 129,392,687.27
  4. Step 4: Simplify right side
    347,639,562.74x = 67,462,558,247,513,576
  5. Step 5: Solve for x
    x = 67,462,558,247,513,576/347,639,562.74
  6. Step 6: Final answer
    x = 194,058,920.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.